Home / 8,183.98-12,281.35-4,488.80

Finding the Fourth Proportional to 8,183.98, 12,281.35 and 4,488.80

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Solution

The fourth proportional to 8,183.98, 12,281.35 and 4,488.80 is: 6,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.98 : 12,281.35 = 4,488.80 : x
  2. Step 2: Convert to fraction form
    8,183.98/12,281.35 = 4,488.80/x
  3. Step 3: Cross multiply
    8,183.98x = 12,281.35 × 4,488.80
  4. Step 4: Simplify right side
    8,183.98x = 55,128,488.89
  5. Step 5: Solve for x
    x = 55,128,488.89/8,183.98
  6. Step 6: Final answer
    x = 6,736.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.